#include<stdio.h>
int main()
{
char ch;
int a,b;
printf("Enter an operator from(+, -, *,/,%%): ");
scanf(" %c", &ch);
printf("Enter two operands: ");
scanf("%d %d",&a, &b);
switch(ch)
{
case '+': printf("a + b = %d",a+b);
break;
case '-': printf("a - b = %d",a-b);
break;
case '*': printf("a * b = %d",a*b);
break;
case '/': printf("a / b = %d",a/b);
break;
case '%': printf("a % b = %d",a%b);
break;
default: printf("you entered an invalid operator");
}
printf("\n");
return 0;
}